<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">AD, Kevin et al, <div><br></div><div>'tis a moot point, this concern you have for one gathering too many leaves off the forest floor, becasue it is not generally done at least by the local briquette producer: </div><div>Why ? Its simply too much of a hassle ! </div><div><br></div><div>The producer will rather tend to gather th stuff in indblown pockets nd natrual depressions in teh landscpe not piecemeal over the forest or any floor of any other land use / form. I would too-- and I do around our own house fo rour own winter stove supply.</div><div><br></div><div>Richard Stanley,</div><div>NW Obamaland<br><div><br><div><br><div><br><div><div>On Dec 19, 2010, at 7:19 PM, Anand Karve wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><div>Dear Kevin,</div>
<div>the need of the hour is fuel. By leaving the branches, leaves and bark lying on the forest floor, you sacrifice a large amount of energy. The soil has enough minerals to support forestry and agriculture indefinitely. These minerals have very low solubility in water, and therefore the root hairs of the plants are not able to absorb them efficiently, but the soil micro-organisms can absorb them much more efficiently, because they absorb through their entire cell surface. The microbes then make the mineral nutrients available to plants. It is an accepted fact that there exists a positive correlation between the number of soil microbes per g soil and the soil fertility. Applying about 50 kg green leaves to the soil, once every three months, is enough to maintain a high microbial population density in the soil. <br>
Yours</div>
<div>Anand<br></div>
<div class="gmail_quote">On Sun, Dec 19, 2010 at 12:30 PM, Kevin <span dir="ltr"><<a href="mailto:kchisholm@ca.inter.net">kchisholm@ca.inter.net</a>></span> wrote:<br>
<blockquote style="BORDER-LEFT: #ccc 1px solid; MARGIN: 0px 0px 0px 0.8ex; PADDING-LEFT: 1ex" class="gmail_quote">
<div style="BACKGROUND-COLOR: #fff" bgcolor="#ffffff">
<div><font size="2" face="Arial">Dear John</font></div>
<div><font size="2" face="Arial"></font> </div>
<div><font size="2" face="Arial">Leaving the tops, limbs, and stump on site after harvesting is probably a good thing, especially if the slash is driven over by the harvesting machinery. Crushing it down helps it to return organic matter to the soil, and minimize the fire hazard if it is allowed to dry without contact with the ground.</font></div>
<div><font size="2" face="Arial"></font> </div>
<div><font size="2" face="Arial">Something like 90% of the nutrients in a tree are in the branches and leaves or needles, and it is a big mistake to remove them from the site. It can lead to rapid nutrient depletion. Removing the stumps for their biomass loosens the ground excessively, and can aggravate possible erosion problems. </font></div>
<div><font size="2" face="Arial"></font> </div>
<div><font size="2" face="Arial">"Natural" stands, in contrast to plantations, invariably have a range of tree species, some of which have commercial value, and some of which don't. It makes sense to harvest the "unmerchantable stems" for fuel or charcoaling purposes. However, leaving the tops, limbs, leaves/needles and stumps seems to be a good step toward sustainable forest management.</font></div>
<div><font size="2" face="Arial"></font> </div>
<div><font size="2" face="Arial">Best wishes,</font></div>
<div><font size="2" face="Arial"></font> </div>
<div><font size="2" face="Arial">Kevin Chisholm</font></div>
<div> </div>
<blockquote style="BORDER-LEFT: #000000 2px solid; PADDING-LEFT: 5px; PADDING-RIGHT: 0px; MARGIN-LEFT: 5px; MARGIN-RIGHT: 0px" dir="ltr">
<div style="FONT: 10pt arial">----- Original Message ----- </div>
<div style="FONT: 10pt arial; BACKGROUND: #e4e4e4"><b>From:</b> <a title="jn@cloudworld.co.uk" href="mailto:jn@cloudworld.co.uk" target="_blank">John Nissen</a> </div>
<div style="FONT: 10pt arial"><b>To:</b> <a title="biochar@yahoogroups.com" href="mailto:biochar@yahoogroups.com" target="_blank">biochar@yahoogroups.com</a> </div>
<div style="FONT: 10pt arial"><b>Cc:</b> <a title="rongretlarson@comcast.net" href="mailto:rongretlarson@comcast.net" target="_blank">Ron Larson</a> ; <a title="Biochar-production@yahoogroups.com" href="mailto:Biochar-production@yahoogroups.com" target="_blank">Biochar-production</a> ; <a title="stoves@lists.bioenergylists.org" href="mailto:stoves@lists.bioenergylists.org" target="_blank">Discussion biomass</a> ; <a title="rongretlarson@comcast.net" href="mailto:rongretlarson@comcast.net" target="_blank">Ron Larson</a> </div>
<div style="FONT: 10pt arial"><b>Sent:</b> Saturday, December 18, 2010 6:21 PM</div>
<div style="FONT: 10pt arial"><b>Subject:</b> [biochar] Capturing carbon in the timber industry</div>
<div><br></div><span> </span>
<div>
<div>
<div><p><br>Hi all,<br><br>I've just had a month's holiday in New Zealand, where forestry is big <br>business, and was horrified by the way they apparently left wood debris <br>on the ground after taking the timber away. They also left stumps in <br>
the ground to rot away. Has any thought been given into capturing the <br>carbon left after the timber is removed? It must be a major source of <br>CO2 and methane.<br><br>Cheers,<br><br>John<br><br></p></div>
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